CN209877979U - Topographic mapping device - Google Patents

Abstract

The utility model discloses a topographic mapping device, including hollow workbench, a supporting plate and a foot rest, the top surface of the supporting plate is provided with a telescopic mechanism, the telescopic end of the telescopic mechanism is fixedly connected with the bottom of the hollow workbench, the top surface of the hollow workbench is provided with a first groove, the bottom of the first groove is provided with a first rotating mechanism, the rotating end of the first rotating mechanism is fixedly connected with a mapping instrument placing plate, the top surface of the mapping instrument placing plate is provided with a clamping mechanism, the inner cavity of the hollow workbench is slidably connected with a drawing workbench, the top surface of the drawing workbench is provided with a second groove, the bottom of the second groove is provided with a second rotating mechanism, the rotating end of the second rotating mechanism is fixedly connected with a mapping paper placing plate, and the top surface of the mapping paper placing plate is provided; the side of the hollow workbench is provided with an opening, and the drawing workbench can slide out of the opening or slide into the inner cavity of the hollow workbench through a sliding mechanism. The utility model has the advantages of adjustable height, convenient rotation and convenient and accurate drawing.

Description

Topographic mapping device

Technical Field

The utility model relates to a building survey and drawing technical field, concretely relates to topographic mapping device.

Background

Topographic mapping refers to the operation of mapping a topographic map, i.e., the work of measuring the projection positions and elevations of the ground features and the terrain on the earth surface on a horizontal plane, reducing the height according to a certain proportion, and drawing the topographic map by using symbols and notations.

Before building construction, topographic surveying is an indispensable step, and when building topographic surveying is carried out, a surveying instrument is generally placed on a surveying device for surveying.

The mapping device for placing the mapping instrument in the prior art is inconvenient to use and mainly has the following defects: (1) the height of the user cannot be adjusted according to the height of the user, the surveying and mapping instrument cannot rotate after being fixed, and when the direction is changed, the surveying and mapping instrument needs to be fixed firstly, so that the use is extremely inconvenient; (2) during surveying and mapping, on-site drawing or data recording is often required, and the conventional surveying and mapping device is not provided with a workbench, so that the drawing and the recording are extremely inconvenient, and meanwhile, due to the existence of wind in the field, surveying and mapping paper is easily blown up, so that the normal operation of surveying and mapping and the accuracy of the drawing are greatly influenced; in addition, the direction of the surveying paper needs to be changed sometimes during drawing, and due to wind in the field, the surveying paper is easily torn during changing, so that the normal operation of surveying is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the surveying instrument that current mapping device exists highly can not adjust, rotatory inconvenient and the inconvenient problem of drawing, the utility model aims to provide a height-adjustable, rotatory convenient and the convenient accurate topography mapping device of drawing.

The utility model discloses the technical scheme who adopts does:

a terrain surveying and mapping device comprises a hollow workbench, a supporting plate and foot rests, wherein a telescopic mechanism is arranged on the top surface of the supporting plate, the telescopic end of the telescopic mechanism is fixedly connected with the bottom of the hollow workbench, and the foot rests are arranged on the bottom of the supporting plate;

the top surface of the hollow workbench is provided with a first groove, the bottom of the first groove is vertically provided with a first rotating mechanism, the rotating end of the first rotating mechanism is fixedly connected with a surveying and mapping instrument placing plate which is horizontally placed, and the top surface of the surveying and mapping instrument placing plate is provided with a clamping mechanism for clamping a surveying and mapping instrument;

a drawing workbench is arranged in the inner cavity of the hollow workbench and is connected to the side wall of the inner cavity of the hollow workbench in a sliding mode through a sliding mechanism, a second groove is formed in the top surface of the drawing workbench, a second rotating mechanism is vertically arranged at the bottom of the second groove, a horizontally placed mapping paper placing plate is fixedly connected to the rotating end of the second rotating mechanism, and a paper fixing mechanism used for fixing mapping paper is arranged on the top surface of the mapping paper placing plate;

the side of the hollow workbench is provided with an opening, and the drawing workbench can slide out of the opening or slide into the inner cavity of the hollow workbench through the sliding mechanism.

Preferably, the clamping mechanism comprises a fixed table, a first fixed screw and a tightening plate;

the figure of fixed station is two, and the symmetry sets up the relative both sides of top surface that the board was placed to the surveying instrument, be equipped with on the lateral wall of fixed station with first clamping screw matched with first screw thread through-hole, first clamping screw thread passes first screw thread through-hole, just first clamping screw is close to surveying instrument and places one of board center and serves and be equipped with support tight board.

Optimized, first rotary mechanism is first pivot, wherein, the bottom surface of first recess is equipped with first bearing, the vertical setting of first pivot, just the bottom hub connection of first pivot the inner ring of first bearing, the top fixed connection of first pivot is in on the bottom surface center that board was placed to surveying and mapping instrument.

Preferably, a first placing plate fixing mechanism used for fixing the placing plate of the surveying and mapping instrument is further arranged on the first groove;

the first fixing mechanism of the placing plate comprises two second fixing screw rods, a propping seat and a rocker, wherein the two second fixing screw rods are symmetrically arranged on two opposite side walls of the first groove;

the symmetry is equipped with the second screw thread through-hole that runs through the lateral wall respectively on the both sides wall of cavity workstation, second clamping screw thread passes and corresponds the side second screw thread through-hole, just second clamping screw is close to one of surveying instrument places the board is served and is equipped with the seat of supporting is kept away from surveying instrument places one of board is served and is equipped with the rocker.

Preferably, the sliding mechanism comprises a sliding chute and a sliding rail which are matched with each other;

the two side walls of the inner cavity of the hollow workbench are respectively and horizontally provided with the sliding chutes, and the two side walls of the drawing workbench are respectively and horizontally provided with the sliding rails;

the drawing workbench can slide into or slide out of the inner cavity of the hollow workbench through the mutual matching of the sliding rail and the sliding groove.

Specifically, the top surface that the board was placed to the survey and drawing paper covers has the iron sheet, paper fixed establishment is the magnet piece.

Preferably, the second rotating mechanism is a second rotating shaft;

the bottom surface of second recess is equipped with the second bearing, the vertical setting of second pivot, wherein, the bottom hub connection of second pivot the inner ring of second bearing, the top fixed connection of second pivot is in the bottom surface center that the board was placed to the survey and drawing paper.

Preferably, a second fixing mechanism for fixing the placing plate of the surveying and mapping paper is arranged on the bottom surface of the drawing workbench;

the second placing plate fixing mechanism comprises a U-shaped mounting frame, an L-shaped fixing plate and an elastic fixing plug;

the bottom surface of the drawing workbench is provided with the U-shaped mounting frame, the vertical part of the L-shaped fixing plate is hinged in the opening of the U-shaped mounting frame, and the horizontal part of the L-shaped fixing plate is provided with a vertical elastic fixing plug;

the bottom of second pivot pass the inner ring of second bearing in proper order with drawing workstation's bottom surface, just the bottom surface of second pivot open have with elastic fixation fills up interference fit's jack, the elastic fixation is in inserting behind the jack, make the second pivot is fixed.

Preferably, the bottom surface of the drawing workbench is also provided with a support table, an inserting groove is formed in the support table along the sliding direction of the drawing workbench, the top surface of the support plate is hinged with a support rod, and a non-hinged end of the support rod is provided with an inserting plate matched with the inserting groove;

after the inserting plate is inserted into the inserting groove, the supporting rod supports the drawing workbench.

Preferably, the telescopic mechanisms are electric telescopic rods, wherein the number of the electric telescopic rods is two, and the electric telescopic rods are symmetrically arranged on two opposite sides of the center of the bottom surface of the hollow workbench.

The utility model has the advantages that:

(1) the utility model relates to a topographic survey and drawing device, the utility model discloses be equipped with telescopic machanism, and telescopic machanism's flexible end is fixed in the bottom of cavity workstation, through the aforesaid design, can carry out the regulation of height through telescopic machanism, satisfies different height users' not co-altitude demand.

The utility model is provided with the surveying instrument placing plate in the first groove, and the top surface of the surveying instrument placing plate is provided with the clamping mechanism, namely, the surveying instrument can be fixed on the top surface of the surveying instrument placing plate through the clamping mechanism, so that the topographic surveying and mapping are convenient; meanwhile, the bottom surface of the surveying instrument placing plate is fixedly connected with the rotating end of the first rotating mechanism, and through the design, the surveying instrument placing plate can be rotated through the first rotating mechanism, so that the surveying instrument can be rotated to different directions for topographic surveying and mapping, the problem of inconvenient rotation caused by the fact that fixing of the surveying instrument on the traditional surveying and mapping device needs to be relieved firstly when the surveying instrument rotates is avoided, and the convenience of the surveying instrument in direction changing is greatly improved;

the utility model discloses still be provided with drawing workstation, wherein, drawing workstation's top surface is equipped with the second recess, is equipped with the survey and drawing paper in the second recess and places the board, and the top surface that the board was placed to the survey and drawing paper is equipped with paper fixed establishment. By the design, mapping or data recording can be carried out while mapping, so that convenience of mapping and data recording is greatly improved; meanwhile, the mapping paper can be firmly fixed on the mapping paper placing plate through the paper fixing mechanism, so that the problems that the normal drawing and the drawing accuracy are influenced because the mapping paper is blown up by wind in the field are avoided, and the stability and the accuracy of the drawing are ensured; additionally, the utility model discloses still set up second rotary mechanism in the second recess, can rotate the survey and drawing paper through second rotary mechanism and place the board for when surveying and drawing paper direction transform, need not take up the survey and drawing paper, avoided being blown by wind and dragged and the problem of damage, guaranteed the normal clear of drawing.

The utility model discloses still be provided with slide mechanism, drawing workstation accessible slide mechanism roll-off or slide in the inner chamber of cavity workstation, through above-mentioned design, can carry out drawing workstation accomodate, when not needing to use, can accomodate into in the cavity workstation for whole device is miniaturized, has improved convenience and the practicality of using.

(2) The utility model discloses still be provided with and place the first fixed establishment of board, through the aforesaid design, place the board rotation when surveying instrument and finish the back, can wave two rockers on the relative both sides wall of first recess, make the second clamping screw that corresponds drive to support tight seat and go forward, make to support tight seat contact and support tight surveying instrument and place the lateral wall that the board corresponds the side, and then place the board with surveying instrument and fix, prevent that surveying instrument from placing the board and rotate, influence the normal clear of topography survey and drawing.

(3) The utility model is also provided with a second fixing mechanism of the placing plate, through the design, when the surveying and mapping paper placing plate needs to be rotated, the elastic fixing plug can be pulled out from the jack through the L-shaped fixing plate, and the fixation of the second rotating shaft is released, so that the rotation of the surveying and mapping paper placing plate can be realized; after the rotation finishes, insert the jack with the elastic fixation stopper, at this moment, the second pivot is fixed by elastic fixation stopper and L type fixed plate, has realized promptly that the survey and drawing paper places the fixed of board, prevents when drawing, and the survey and drawing paper is placed the board and is rotated, influences the normal clear and the accuracy of drawing.

(4) The utility model discloses it has the bracing piece still to articulate in the backup pad, is equipped with the plugboard on the bracing piece, and sets up and plugboard matched with inserting groove in drawing workstation's bottom surface, and the inserting groove sets up along drawing workstation slip direction, through the aforesaid design, when drawing workstation roll-off, can insert the plugboard in the inserting groove, makes the bracing piece support drawing workstation, improves drawing workstation's stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic plan structure diagram of the topographic mapping apparatus provided in the present invention.

Fig. 2 is a schematic structural diagram of a hollow workbench provided by the present invention.

Fig. 3 is a schematic structural diagram of a hollow workbench without a drawing workbench according to the present invention.

Fig. 4 is an enlarged schematic view of a structure at a in fig. 3.

Fig. 5 is an enlarged schematic view of B in fig. 3.

Fig. 6 is a schematic structural view of a second fixing mechanism of the placing board provided by the present invention.

Fig. 7 is a schematic bottom structure diagram of the drawing workbench according to the present invention.

In the above figures, 10-hollow table; 11-a first groove; 11 a-a first rotation mechanism; 11 b-a second threaded through hole; 12-placing a board for the surveying and mapping instrument; 13-a clamping mechanism; 13 a-a stationary table; 13 b-a first set screw; 13 c-a tightening plate; 13 d-a first threaded through hole; 14-drawing bench; 14 a-a support table; 14 b-a plug groove; 15-a sliding mechanism; 15 a-a chute; 15 b-a slide rail; 16-a second groove; 16 a-a second rotation mechanism; 17-placing the mapping paper; 18-a paper securing mechanism; 19-opening; 20-a support plate; 21-a support bar; 21 a-a patch panel; 30-a foot rest; 40-a second set screw; 41-a support seat; 42-rocker; a 43-U-shaped mounting frame; a 44-L shaped fixation plate; 45-elastic fixation plugs; 46-a jack; 47-electric telescopic rod.

Detailed Description

The invention will be further elucidated with reference to the embodiments described hereinafter. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

Example one

As shown in fig. 1 to 7, the topographic surveying and mapping device provided in this embodiment includes a hollow workbench 10, a supporting plate 20 and a foot rest 30, wherein a top surface of the supporting plate 20 is provided with a telescopic mechanism, a telescopic end of the telescopic mechanism is fixedly connected to a bottom of the hollow workbench 10, and the foot rest 30 is provided at a bottom of the supporting plate 20.

The top surface of cavity workstation 10 is opened there is first recess 11, the vertical first rotary mechanism 11a that is equipped with in bottom of first recess 11, board 12 is placed to the surveying instrument that first rotary mechanism 11 a's rotatory end fixedly connected with level was placed, the top surface that board 12 was placed to the surveying instrument is equipped with the fixture 13 that is used for centre gripping surveying instrument.

The inner chamber of cavity workstation 10 is equipped with drawing workstation 14, drawing workstation 14 passes through sliding mechanism 15 sliding connection and is in on the inner chamber lateral wall of cavity workstation 10, drawing workstation 14's top surface is opened there is second recess 16, the vertical second rotary mechanism 16a that is equipped with in bottom of second recess 16, board 17 is placed to the survey and drawing paper that second rotary mechanism 16 a's rotatory end fixedly connected with level was placed, the top surface that board 17 was placed to the survey and drawing paper is equipped with the paper fixed establishment 18 that is used for fixed survey and drawing paper.

The side of the hollow workbench 10 is provided with an opening 19, and the drawing workbench 14 can slide out of the opening 19 or slide into the inner cavity of the hollow workbench 10 through the sliding mechanism 15.

As shown in fig. 1, 2 and 3, the topographic mapping device is described in detail as follows:

the supporting plate 20 serves as a mounting plane of the telescopic mechanism, and the foot stand 30 is used for fixing the whole terrain surveying and mapping device, in the embodiment, the foot stand 30 is a tripod, and the bottom of the foot stand is provided with a sharp corner, so that the foot stand can be conveniently inserted into the ground to stably fix the device during field surveying and mapping.

The telescopic mechanism is used for adjusting the height of the hollow workbench 10 so as to adjust the surveying and mapping height, and can also be adjusted according to the height of a user, so that the use convenience of the whole device is improved.

Board 12 is placed to surveying instrument is used for placing surveying instrument to it is fixed with surveying instrument through fixture, guarantees the stability of instrument when carrying out the survey and drawing work.

And simultaneously, the utility model discloses be equipped with first rotary mechanism in the bottom surface of first recess 11, simultaneously, first rotary mechanism's rotatory end is fixed and is placed the bottom surface of board 12 at surveying instrument.

Through the design, the board 12 can be placed through first rotary mechanism rotation surveying instrument, and the surveying instrument who makes surveying instrument place fixed on the board 12 can rotate to different angles, direction and carry out the topography survey and drawing. Can avoid surveying instrument on the traditional device like this when carrying out the direction transform, need remove earlier fixedly, cause the loaded down with trivial details problem of transform step, improve the rotatory convenience of surveying instrument.

Additionally, the utility model discloses still be equipped with drawing workstation 14, wherein, it places board 17 to be equipped with the survey and drawing paper on drawing workstation 14, and the top surface that board 17 was placed to the survey and drawing paper is equipped with paper fixed establishment.

Through the design, the user can place the survey and drawing paper on board 17 is placed to the survey and drawing paper when carrying out the topography survey and drawing, and convenience of customers carries out the record that the topography survey and drawing limit was made a picture and is data, need not take the drawing board outward, has improved the convenience of making a picture and data record. Simultaneously, through paper fixed establishment, can with survey and drawing paper firmly fix on board 17 is placed to survey and drawing paper, avoided being blown by wind and blown up, influence the problem of drawing normal clear and drawing accuracy, ensured the stability and the accuracy of drawing.

The utility model discloses still be equipped with second rotary mechanism in second recess bottom surface, equally, the bottom surface of board 17 is placed to second rotary mechanism's rotary end fixed connection survey and drawing paper. Through above-mentioned design, realized promptly that the survey and drawing paper places the rotation of board 17, when carrying out survey and drawing paper direction transform promptly, need not take up survey and drawing paper, only need directly rotate survey and drawing paper place board 17 can, avoided the survey and drawing paper when carrying out the direction transform, easily by the blowing and tear the problem of damage, improved the stability and the reliability of drawing.

In addition, the utility model discloses still be equipped with opening 19 in the side of cavity workstation 10, and be equipped with slide mechanism, as shown in fig. 2 and 3, through above-mentioned design, drawing workstation 14 can be through the slide mechanism roll-off or slide in the inner chamber of cavity workstation 10. When the drawing workbench is needed, the drawing workbench 14 is only required to be pulled out of the inner cavity of the hollow workbench 10; after use, the drawing table 14 is simply slid into the interior cavity of the hollow table 10. Thus, the miniaturization of the whole device is realized, and the convenience and the practicability of use are improved.

Preferably, the clamping mechanism 13 includes a fixing table 13a, a first fixing screw 13b and a tightening plate 13 c.

The figure of fixed station 13a is two, and the symmetry sets up the relative both sides of top surface that board 12 was placed to the surveying instrument, be equipped with on the lateral wall of fixed station 13a with first clamping screw 13b matched with first screw through-hole 13d, first clamping screw 13b screw thread passes first screw through-hole 13d, just first clamping screw 13b is close to one of surveying instrument and places that board 12 center is served and is equipped with support tight board 13 c.

As shown in fig. 2, 3 and 4: the following description of the specific structure of the gripper mechanism 13 is made:

fixed station 13a installs in the relative both sides of top surface that board 12 was placed to surveying instrument, when carrying out surveying instrument's fixed, directly can rotate first clamping screw 13b, and then can drive and support tight board 13c and advance towards surveying instrument, make and support tight board 13c contact and support tight surveying instrument. Because fixed station 13a has two, and sets up and place the relative both sides of top surface of board 12 at surveying instrument, can realize like this that the clamp of surveying instrument is fixed, make its firmly fix on surveying instrument places board 12, stability when guaranteeing the survey and drawing.

In this embodiment, can set up the one deck rubber pad on the contact surface of supporting tight board 13c and surveying instrument, not only can prevent to support tight board 13c like this and damage surveying instrument when supporting tightly, can also prevent to support tightly through the rubber pad and slide, guarantee the fastness that surveying instrument is fixed.

In the present embodiment, the abutting plate 13c is preferably a circular plate.

Specifically, first rotary mechanism 11a is first pivot, wherein, the bottom surface of first recess 11 is equipped with first bearing, the vertical setting of first pivot, just the bottom hub connection of first pivot the inner ring of first bearing, the top fixed connection of first pivot is in on the bottom surface center of board 12 is placed to the surveying instrument.

As shown in fig. 1, the first bearing is provided to make the first rotating shaft rotate more smoothly, and also to support the first rotating shaft. This ensures reliable rotation of the surveying instrument placement plate 12.

Preferably, a first fixing mechanism for fixing the placing plate 12 of the surveying and mapping instrument is further arranged on the first groove 11.

The first fixing mechanism of the placing plate comprises two second fixing screws 40, a abutting seat 41 and a rocker 42, wherein the number of the second fixing screws 40 is two, and the two second fixing screws are symmetrically arranged on two opposite side walls of the first groove 11.

The symmetry is equipped with the second screw thread through-hole 11b that runs through the lateral wall respectively on the both sides wall of cavity workstation 10, second clamping screw 40 screw thread passes and corresponds the side second screw thread through-hole 11b, just second clamping screw 40 is close to one of board 12 is placed to surveying instrument serves and is equipped with support seat 41 keeps away from surveying instrument places one of board 12 and serves and be equipped with rocker 42.

As shown in fig. 2, 3 and 5, the following describes a specific structure of the first fixing mechanism of the placement plate:

the second fixing screws 40 are symmetrically arranged on two opposite side walls of the first groove 11, and second threaded through holes matched with the second fixing screws 40 are arranged on two opposite side walls of the hollow workbench 10. Through the above design, when board 12 is fixed to surveying instrument to needs placing, only need rotate rocker 42, make second fixing screw 40 rotate, and then drive to support tight seat 41 and place board 12 forward towards surveying instrument, stop after the side that board 12 was placed to tight surveying instrument to support tight seat 41 contact. And because second clamping screw 40 is provided with two, and be located the relative both sides wall of first recess 11 respectively, so can realize placing the fixed of board 12 to surveying instrument through two second clamping screw 40, prevent at the survey and drawing in-process that surveying instrument places board 12 and rotates the accuracy that influences the survey and drawing.

In the present embodiment, the abutting base 42 is preferably a circular base, and a rubber pad may be provided on the contact surface of the surveying instrument placing plate 12.

Preferably, the sliding mechanism 15 includes a sliding slot 15a and a sliding rail 15b which are matched with each other.

The sliding grooves 15a are respectively horizontally arranged on two side walls of the inner cavity of the hollow workbench 10, and the sliding rails 15b are respectively horizontally arranged on two side walls of the drawing workbench 14.

The drawing workbench 14 can slide into or out of the inner cavity of the hollow workbench 10 through the cooperation of the slide rail 15b and the slide groove 15 a.

As shown in fig. 2 and 3: the sliding grooves 15a are disposed on the side walls of the inner cavity of the hollow worktable 10, and the sliding rails 15b are disposed on the two side walls of the drawing worktable 14. With the above design, the sliding-out or sliding-in of the drawing table 14 can be realized by inserting the slide rail 15b into the slide groove 15a on the corresponding side.

In this embodiment, a limiting mechanism may be further provided to prevent the drawing table 14 from sliding out too much and from sliding out of the cavity of the hollow table 10.

The limiting mechanism is that a baffle is arranged at the opening of the sliding groove 15a, a stop block is arranged at the tail end of the sliding rail 15b, and the stop block is blocked by the baffle to limit the sliding rail 15 b.

Specifically, the top surface of survey and drawing paper board 17 covers has the iron sheet, paper fixed establishment 18 is the magnet piece. Through the magnet piece because of the magnetic force actuation on the iron sheet, can fix the survey and drawing paper on board 17 is placed to the survey and drawing paper, avoid the survey and drawing paper to be blown by wind, influence the problem of drawing normal clear and drawing accuracy.

Preferably, the second rotating mechanism 16a is a second rotating shaft.

The bottom surface of second recess 16 is equipped with the second bearing, the vertical setting of second pivot, wherein, the bottom hub connection of second pivot the inner ring of second bearing, the top fixed connection of second pivot is in on the bottom surface center of board 17 is placed to the survey and drawing paper.

As shown in fig. 1, in the embodiment, the second rotation mechanism and the first rotation mechanism have the same principle, and are not repeated herein.

Specifically, a second fixing mechanism for fixing the placing plate 17 for the mapping paper is provided on the bottom surface of the drawing table 14.

The second fixing mechanism of the placing plate comprises a U-shaped mounting frame 43, an L-shaped fixing plate 44 and an elastic fixing plug 45.

The bottom surface of the drawing workbench 14 is provided with the U-shaped mounting frame 43, the vertical part of the L-shaped fixing plate 44 is hinged in the opening of the U-shaped mounting frame 43, and the horizontal part of the L-shaped fixing plate 44 is provided with a vertical elastic fixing plug 45.

The bottom of second pivot pass the inner ring of second bearing in proper order with drawing workstation 14's bottom surface, just the bottom surface of second pivot open have with elastic fixation stopper 45 interference fit's jack 46, elastic fixation stopper 45 makes after inserting jack 46 the second pivot is fixed.

As shown in fig. 6 and 7, the following describes a specific structure of the second fixing mechanism for a placement plate:

in this embodiment, the bottom end of the second rotating shaft sequentially passes through the inner ring of the second bearing and the bottom surface of the drawing workbench 14, so that the fixing of the placing plate 17 for the drawing paper can be realized by fixing the second rotating shaft.

The U-shaped mounting frame 43 serves as a hinged end of the L-shaped fixing plate 44, that is, the vertical part of the L-shaped fixing plate 44 is hinged in the opening of the U-shaped mounting frame 43.

And an elastic fixing plug 45 is vertically arranged on the horizontal part of the L-shaped fixing plate 44, and a jack 46 is correspondingly arranged on the bottom surface of the second rotating shaft, wherein the elastic fixing plug 45 forms an interference fit with the jack 46 after being inserted into the jack 46. Through above-mentioned design, can realize placing the fixed of board 17 to the survey and drawing paper, guarantee the survey and drawing paper and place the stability of board 17 in the drawing process, ensure the normal clear of drawing. Similarly, after the paper direction is adjusted, the second fixing mechanism of the placing plate can be used for fixing, and the problem that the mapping paper placing plate 17 rotates in the process of drawing can be avoided.

Similarly, when the fixing needs to be released, the L-shaped fixing plate 44 can be lifted, and the elastic fixing plug 45 is pulled out of the insertion hole 46.

Preferably, a supporting table 14a is further arranged on the bottom surface of the drawing workbench 14, an inserting groove 14b is formed in the supporting table 14a along the sliding direction of the drawing workbench 14, a supporting rod 21 is hinged to the top surface of the supporting plate 20, and an inserting plate 21a matched with the inserting groove 14b is arranged at the non-hinged end of the supporting rod 21.

After the inserting plate 21a is inserted into the inserting groove 14b, the supporting rod 21 supports the drawing workbench 14.

As shown in fig. 7 and 1: the supporting platform 14a is disposed on the bottom surface of the drawing worktable 14, and the supporting platform 14a is provided with an inserting groove 14b, and the inserting groove 14b is disposed along the sliding direction of the drawing worktable 14, and the supporting plate 20 is hinged with a supporting rod 21, and the supporting rod 21 is provided with an inserting plate 21 a.

Through the above design, when the drawing workbench 14 slides out of the inner cavity of the hollow workbench 10, the support rod 21 can be supported, and the inserting plate 21a is inserted into the inserting groove 14b, at this time, the inserting plate 21a contacts the bottom surface of the drawing workbench 14, and the support rod 21 takes the support plate 20 as a support force point, thereby playing a role of supporting the drawing tool table 14.

When the drawing workbench 14 is not needed, the inserting plate 21a is pulled out of the inserting groove 14b, and the supporting rod 21 is laid on the surface of the supporting plate 20.

Preferably, the telescopic mechanism is an electric telescopic rod 47, wherein the number of the electric telescopic rods 47 is two, and the electric telescopic rods 47 are symmetrically arranged on two opposite sides of the center of the bottom surface of the hollow workbench 10. Through the above design, electric telescopic handle 47 does not need the manual work to stretch out and draw back, labour saving and time saving, convenient operation, and the reason with electric telescopic handle 47 setting in bottom surface center both sides does: the hollow workbench 10 can have more stress points, so that the hollow workbench is more stable.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (10)

1. A terrain mapping apparatus, characterized by: the device comprises a hollow workbench (10), a supporting plate (20) and a foot rest (30), wherein a telescopic mechanism is arranged on the top surface of the supporting plate (20), the telescopic end of the telescopic mechanism is fixedly connected with the bottom of the hollow workbench (10), and the foot rest (30) is arranged at the bottom of the supporting plate (20);

a first groove (11) is formed in the top surface of the hollow workbench (10), a first rotating mechanism (11a) is vertically arranged at the bottom of the first groove (11), a horizontally-arranged surveying and mapping instrument placing plate (12) is fixedly connected to the rotating end of the first rotating mechanism (11a), and a clamping mechanism (13) for clamping a surveying and mapping instrument is arranged on the top surface of the surveying and mapping instrument placing plate (12);

a drawing workbench (14) is arranged in the inner cavity of the hollow workbench (10), the drawing workbench (14) is connected to the side wall of the inner cavity of the hollow workbench (10) in a sliding mode through a sliding mechanism (15), a second groove (16) is formed in the top surface of the drawing workbench (14), a second rotating mechanism (16a) is vertically arranged at the bottom of the second groove (16), a horizontally-arranged surveying and mapping paper placing plate (17) is fixedly connected to the rotating end of the second rotating mechanism (16a), and a paper fixing mechanism (18) for fixing surveying and mapping paper is arranged on the top surface of the surveying and mapping paper placing plate (17);

an opening (19) is formed in the side face of the hollow workbench (10), and the drawing workbench (14) can slide out of the opening (19) or slide into the inner cavity of the hollow workbench (10) through the sliding mechanism (15).

2. A topographical mapping device as recited in claim 1, wherein: the clamping mechanism (13) comprises a fixed table (13a), a first fixed screw (13b) and a pressing plate (13 c);

the figure of fixed station (13a) is two, and the symmetry sets up the relative both sides of top surface that board (12) were placed to surveying instrument, be equipped with on the lateral wall of fixed station (13a) with first clamping screw (13b) matched with first screw thread through-hole (13d), first clamping screw (13b) screw thread passes first screw thread through-hole (13d), just first clamping screw (13b) are close to surveying instrument and place one of board (12) center and serve and be equipped with support tight board (13 c).

3. A topographical mapping device as recited in claim 1, wherein: first rotary mechanism (11a) is first pivot, wherein, the bottom surface of first recess (11) is equipped with first bearing, the vertical setting of first pivot, just the bottom hub connection of first pivot the inner ring of first bearing, the top fixed connection of first pivot is in the bottom surface center of board (12) is placed to surveying instrument.

4. A topographical mapping device as recited in claim 1, wherein: a placing plate first fixing mechanism for fixing the surveying and mapping instrument placing plate (12) is further arranged on the first groove (11);

the first fixing mechanism of the placing plate comprises two second fixing screw rods (40), a propping seat (41) and a rocker (42), wherein the two second fixing screw rods (40) are symmetrically arranged on two opposite side walls of the first groove (11);

the symmetry is equipped with second screw thread through-hole (11b) that runs through the lateral wall respectively on the both sides wall of cavity workstation (10), second clamping screw (40) screw thread passes and corresponds the side second screw thread through-hole (11b), just second clamping screw (40) are close to surveying and mapping instrument places one of board (12) and serves and be equipped with support tight seat (41), keep away from surveying and mapping instrument places one of board (12) and serves and be equipped with rocker (42).

5. A topographical mapping device as recited in claim 1, wherein: the sliding mechanism (15) comprises a sliding chute (15a) and a sliding rail (15b) which are matched with each other;

the two side walls of the inner cavity of the hollow workbench (10) are respectively and horizontally provided with the sliding chutes (15a), and the two side walls of the drawing workbench (14) are respectively and horizontally provided with the sliding rails (15 b);

the drawing workbench (14) can slide into or out of the inner cavity of the hollow workbench (10) through the mutual matching of the sliding rail (15b) and the sliding groove (15 a).

6. A topographical mapping device as recited in claim 1, wherein: the top surface that board (17) was placed to the survey and drawing paper covers there is the iron sheet, paper fixed establishment (18) are the magnet piece.

7. A topographical mapping device as recited in claim 1, wherein: the second rotating mechanism (16a) is a second rotating shaft;

the bottom surface of second recess (16) is equipped with the second bearing, the vertical setting of second pivot, wherein, the bottom hub connection of second pivot the inner ring of second bearing, the top fixed connection of second pivot is in on the bottom surface center of board (17) is placed to the survey and drawing paper.

8. A topographical mapping device as recited in claim 7, wherein: a placing plate second fixing mechanism for fixing the mapping paper placing plate (17) is arranged on the bottom surface of the drawing workbench (14);

the second placing plate fixing mechanism comprises a U-shaped mounting frame (43), an L-shaped fixing plate (44) and an elastic fixing plug (45);

the bottom surface of the drawing workbench (14) is provided with the U-shaped mounting frame (43), the vertical part of the L-shaped fixing plate (44) is hinged in an opening of the U-shaped mounting frame (43), and the horizontal part of the L-shaped fixing plate (44) is provided with a vertical elastic fixing plug (45);

the bottom of second pivot pass the inner ring of second bearing in proper order with the bottom surface of drawing workstation (14), just the bottom surface of second pivot open have with elastic fixation stopper (45) interference fit's jack (46), elastic fixation stopper (45) are inserting jack (46) back makes the second pivot is fixed.

9. A topographical mapping device as recited in claim 1, wherein: a supporting table (14a) is further arranged on the bottom surface of the drawing workbench (14), an inserting groove (14b) is formed in the supporting table (14a) along the sliding direction of the drawing workbench (14), a supporting rod (21) is hinged to the top surface of the supporting plate (20), and an inserting plate (21a) matched with the inserting groove (14b) is arranged at the non-hinged end of the supporting rod (21);

the inserting plate (21a) enables the support rod (21) to support the drawing workbench (14) after being inserted into the inserting groove (14 b).

10. A topographical mapping device as recited in claim 1, wherein: the telescopic mechanism is an electric telescopic rod (47), wherein the number of the electric telescopic rods (47) is two, and the electric telescopic rods are symmetrically arranged on two opposite sides of the center of the bottom surface of the hollow workbench (10).